-----------------------------------
遊学， ゆうがく
1. studying abroad, travelling to study, traveling to study
tbd
-----------------------------------
決める， 極める， きめる， キメる
1. to decide, to choose, to determine, to make up one's mind, to resolve, to set one's heart on, to settle, to arrange, to set, to appoint, to fix
2. to clinch (a victory), to decide (the outcome of a match)
3. to persist in doing, to go through with...
决定，选择，下定决心，解决，安排，设定，任命，确定；锁定(胜利)，决定(比赛结果)；坚持做，坚持到底
は
1. indicates sentence topic
2. indicates contrast with another option (stated or unstated)
3. adds emphasis
指示句子的主题；表示与另一选项（无论是否明确提及）形成对比；表示强调
